20 Minutes of Vigorous Physical Activity Daily Advised for Teens
Twenty minutes of daily vigorous physical activity (VPA) seems to be best for maximizing cardiorespiratory fitness (CRF) in adolescents, according to a study published online June 13 in Pediatrics.
Noting that there is no clear guidance on the intensity and duration of PA that adolescents require to maximize CRF, Samuel Joseph Burden, from the John Radcliffe Hospital in Oxford, England, and colleagues examined the strength of association between each PA intensity and CRF. PA was assessed by wrist-worn accelerometers, and CRF was assessed with 20-m shuttle runs among 339 adolescents aged 13 to 14 years.
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